Mitsubishi Electronics WD-62527, WD-62528, WD-52528 specifications Contents

MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528

CONTENTS
INTRODUCTION	5
PRODUCT SAFETY NOTICE	5
SAFETY PRECAUTIONS	6
DISASSEMBLY	7
Front Cabinet Components	7
Chassis Removal	8
Chassis Disassembly / Accessing PWBs	12
Light Engine Replacement	17
SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS	22
Removal of the Lenticular Screen and Fresnel Lens	22
Installation of the Lenticular Screen and Fresnel Lens	24
ADJUSTMENTS	25
Option Menu & Defaults	25
LED Indicator Diagnostics	26
Error Codes Operational Check	27
Remote Operational Mode	28
Service Adjustment Mode	28
Service Adjustment Mode Operation	28
Transferring data	29
Light Engine Adjustment	30
Test Signal activation	30
Preliminary	30
Trapezodial Distortion Adjustment	31
Rotation Adjustment	31
Hortizontal & Vertical Position	32
TROUBLESHOOTING	33
MICRO / TERMINAL PWBs	33
POWER-PWB	34
OPTICAL ENGINE	35
Protect Lines	36
USING LEAD FREE SOLDER	37
CHIP PARTS REPLACEMENT	38
REPLACEMENT PARTS	39
Parts Ordering	39
Critical and Warranty Parts Designation	39
Parts Tolerance Codes	39
Quick Reference List	40
SERVICE PARTS LIST	41
SCREEN ASSEMBLY PARTS LIST	50
CIRCUITRY BLOCK DIAGRAMS	52
Main Power Supply	52
Lamp Ballast DC Supply	53

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